In an AC circuit, the potential difference v and current i are given respectively by
and 
The power dissipated in the circuit will be
A
B
10 W
C
2.5 W
D
5 W
Text Solution
Verified by ExpertsThe correct answer is:
C
Voltage amplitude, 
, current amplitude 
and phase difference between I and V is 
.
Now power dissipated is given by
P 
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